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TrafficLight

caution

This service is rc and may change in the future.

Controls a mini traffic with a red, orange and green LED.

import { TrafficLight } from "@devicescript/core"

const trafficLight = new TrafficLight()

Registers​

red​

The on/off state of the red light.

  • type: Register<boolean> (packing format u8)

  • read and write

import { TrafficLight } from "@devicescript/core"

const trafficLight = new TrafficLight()
// ...
const value = await trafficLight.red.read()
await trafficLight.red.write(value)
  • track incoming values
import { TrafficLight } from "@devicescript/core"

const trafficLight = new TrafficLight()
// ...
trafficLight.red.subscribe(async (value) => {
    ...
})
note

write and read will block until a server is bound to the client.

yellow​

The on/off state of the yellow light.

  • type: Register<boolean> (packing format u8)

  • read and write

import { TrafficLight } from "@devicescript/core"

const trafficLight = new TrafficLight()
// ...
const value = await trafficLight.yellow.read()
await trafficLight.yellow.write(value)
  • track incoming values
import { TrafficLight } from "@devicescript/core"

const trafficLight = new TrafficLight()
// ...
trafficLight.yellow.subscribe(async (value) => {
    ...
})
note

write and read will block until a server is bound to the client.

green​

The on/off state of the green light.

  • type: Register<boolean> (packing format u8)

  • read and write

import { TrafficLight } from "@devicescript/core"

const trafficLight = new TrafficLight()
// ...
const value = await trafficLight.green.read()
await trafficLight.green.write(value)
  • track incoming values
import { TrafficLight } from "@devicescript/core"

const trafficLight = new TrafficLight()
// ...
trafficLight.green.subscribe(async (value) => {
    ...
})
note

write and read will block until a server is bound to the client.